Black roughscale catshark vs Douglas' aster

Apristurus melanoasper compared with Symphyotrichum subspicatum

Key Differences

• Black roughscale catshark is Least Concern while Douglas' aster is Not Evaluated.

Taxonomic Classification

Rank	Black roughscale catshark	Douglas' aster
Kingdom	Animalia (Animals)	Plantae (Plants)
Phylum	Chordata (Chordates)	Magnoliophyta (Flowering Plants)
Class	Chondrichthyes (Cartilaginous Fish)	Magnoliopsida (Dicots)
Order	Carcharhiniformes (Ground Sharks)	Asterales (Daisies & Sunflowers)
Family	Scyliorhinidae	Asteraceae (Daisy Family)
Genus	Apristurus	Symphyotrichum
Species	Apristurus melanoasper	Symphyotrichum subspicatum

Conservation Status

Black roughscale catshark

LC — Least Concern

Douglas' aster

NE — Not Evaluated

Physical Characteristics

Attribute	Black roughscale catshark	Douglas' aster
Diet	—	—
Average Lifespan	—	—
Average Length	—	—
Average Weight	—	—

Habitat & Geographic Range

Black roughscale catshark

Habitat

Typically found in marine environments from coastal waters to deep ocean.

Douglas' aster

Habitat

Typically found in diverse terrestrial habitats from tropical forests to temperate regions.

Range

Distributed across Canada and Norway.

Black roughscale catshark

The Black roughscale catshark (Apristurus melanoasper) is a species in the genus Apristurus. It is currently classified as Least Concern on the IUCN Red List. Typically found in marine environments from coastal waters to deep ocean.